232031316551 has 2 divisors, whose sum is σ = 232031316552. Its totient is φ = 232031316550.

The previous prime is 232031316463. The next prime is 232031316563. The reversal of 232031316551 is 155613130232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 232031316551 - 2³⁴ = 214851447367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232031346551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116015658275 + 116015658276.

It is an arithmetic number, because the mean of its divisors is an integer number (116015658276).

Almost surely, 2^232031316551 is an apocalyptic number.

232031316551 is a deficient number, since it is larger than the sum of its proper divisors (1).

232031316551 is an equidigital number, since it uses as much as digits as its factorization.

232031316551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 232031316551 its reverse (155613130232), we get a palindrome (387644446783).

The spelling of 232031316551 in words is "two hundred thirty-two billion, thirty-one million, three hundred sixteen thousand, five hundred fifty-one".